2 layers80 × 90 mm

WiFi Septic Controller
mikelawrence/WiFi-Septic-Controller
WiFi enabled Septic Controller
104 parts8MIT
KiCad boards from 3 GitHub repositories tagged “ssr”, the most starred first; open any of them in PCBKit.

mikelawrence/WiFi-Septic-Controller
WiFi enabled Septic Controller

Boardoza/Boardoza_CPC1008N_Solid_State_Relay_Breakout_Board
Compact CPC1008N solid state relay breakout board for safe and silent AC/DC load switching.

Boardoza/Boardoza_CPC1945Y_AC_Solid_State_Relay_Breakout_Board
Boardoza CPC1945Y Solid State Relay Breakout Board for optically isolated zero-cross AC switching applications.